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  1. #1
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    Default Question about recent purchase of filters



    Hi! I am new to the hobby and I bought this set for 40$ dollars new. I was wondering is it a good buy for my Zuhmell 10" Dobsonian, or could I have done better? I have not received product yet.

    #12 Yellow – 74% VLT

    Yellow filters help greatly in viewing Mars by bringing out the polar ice caps, enhancing blue clouds in the atmosphere, increasing contrast, and brightening desert regions. Yellow also enhances red and orange features on Jupiter and Saturn and darkens the blue festoons near Jupiter’s equator.

    #21 Orange – 46% VLT

    An orange filter helps increase contrast between light and dark areas, penetrates clouds, and assists in detecting dust storms on Mars. Orange also helps to bring out the Great Red Spot and sharpen contrast on Jupiter.

    #80A Blue – 30%VLT
    A blue filter provides detail in atmospheric clouds on Mars, increases contrast on the moon, brings out detail in belts and polar features on Saturn, and enhances contrast of Jupiter’s bright areas and cloud boundaries. A blue filter is also useful in helping to split the binary star Antares when at maximum separation.

    ND96-0.6 – Neutral Density
    Neutral density filters allow all wavelengths to pass through equally. The effect of a neutral density filter is to reduce the overall brightness of an image. Neutral density filters are useful for splitting binary systems, viewing the moon, and reducing glare.

  2. #2
    Joe Lalumia's Avatar
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    Default

    The neutral density can be used on the moon-- usually a 13% transmission-- the others are in my opinion almost completely useless.

    I have them ALL-- by the way and basically used them once or twice in the last 6 years.
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  4. #3
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    Default

    Ouch. To be completely honest, I'd send them back.
    As Joe said, those filters are useless. A decent moon filter is really all you'll use.
    -Nick

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    Default

    I have used the yellow and the ND... on more than one time. I like the yellow with Saturn sometimes, to bring out the detail.

    There is value sometimes to help bring out band detail on Saturn and Jupiter..have not seen Mars yet in my 8" scope. But I think only people who have a strong planet focus looking to document minor changes would use most of the others.
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  8. #5
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    Default

    The only filter you will ever use regularly is a Moon filter..and possibly a solar filter if you do get one.
    The rest are poor although as fogfire says you can ieeck out some added detail on Saturn, but seeing has to be real good to help..
    Clear skies..
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  10. #6
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    Default

    Thank you all. I will be sending these back and investing in a good moon filter.

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    Default

    Quote Originally Posted by NewGuy81 View Post
    Thank you all. I will be sending these back and investing in a good moon filter.
    Good call.
    -Nick

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    Default

    Another question. What type of moon filter should I get for a Z10 dob?

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    Default

    One of the 2" variable polarizing ones.
    Zhumell Z10,
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    Default

    a variable polarising one is the better choice
    as you can alter the amount of light coming through.
    several manufacturers supply them,they're all
    pretty much the same imo.
    clear skies,

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    andy

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